From owner-freebsd-hardware Thu Feb 13 16:36:17 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.5/8.8.5) id QAA22607 for hardware-outgoing; Thu, 13 Feb 1997 16:36:17 -0800 (PST) Received: from genesis.atrad.adelaide.edu.au (genesis.atrad.adelaide.edu.au [129.127.96.120]) by freefall.freebsd.org (8.8.5/8.8.5) with ESMTP id QAA22502; Thu, 13 Feb 1997 16:35:44 -0800 (PST) Received: (from msmith@localhost) by genesis.atrad.adelaide.edu.au (8.8.2/8.7.3) id LAA21975; Fri, 14 Feb 1997 11:05:40 +1030 (CST) From: Michael Smith Message-Id: <199702140035.LAA21975@genesis.atrad.adelaide.edu.au> Subject: Re: _big_ IDE disks? In-Reply-To: <19970213175603.JR15968@x14.mi.uni-koeln.de> from Stefan Esser at "Feb 13, 97 05:56:03 pm" To: se@freebsd.org (Stefan Esser) Date: Fri, 14 Feb 1997 11:05:39 +1030 (CST) Cc: hardware@freebsd.org X-Mailer: ELM [version 2.4ME+ PL28 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-hardware@freebsd.org X-Loop: FreeBSD.org Precedence: bulk Stefan Esser stands accused of saying: > On Feb 13, msmith@atrad.adelaide.edu.au (Michael Smith) wrote: > > > You have an iozone result or some such, just for the fun of it ?? > > > > I'll run one up for you tomorrow, and send it to -hardware. > > Could you please run Bonnie on it, too ? > It gives much more useful results than iozone, IMHO ... Ok, sure : bom:/local0>dmesg avail memory = 62447616 (60984K bytes) ... wdc0 at 0x1f0-0x1f7 irq 14 flags 0x80ff80ff on isa wdc0: unit 0 (wd0): , 32-bit, multi-block-16 wd0: 788MB (10003392 sectors), 9924 cyls, 16 heads, 63 S/T, 512 B/S (Note that I haven't patched the kernel for the bogus arithmetic yet.) Writing the 128 Megabyte file, 'iozone.tmp'...16.093750 seconds Reading the file...14.406250 seconds IOZONE performance measurements: 8339742 bytes/second for writing the file 9316631 bytes/second for reading the file -------Sequential Output-------- ---Sequential Input-- --Random-- -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks--- Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU 128 3858 71.8 8178 28.2 2486 14.1 4210 71.1 8280 28.1 117.0 4.7 (Just for amusement, I ran iozone without any of the go-faster options for the 'wd' driver enabled : Writing the 128 Megabyte file, 'iozone.tmp'...22.453125 seconds Reading the file...23.945312 seconds IOZONE performance measurements: 5977685 bytes/second for writing the file 5605177 bytes/second for reading the file ... so they definitely help 8) -- ]] Mike Smith, Software Engineer msmith@gsoft.com.au [[ ]] Genesis Software genesis@gsoft.com.au [[ ]] High-speed data acquisition and (GSM mobile) 0411-222-496 [[ ]] realtime instrument control. (ph) +61-8-8267-3493 [[ ]] Unix hardware collector. "Where are your PEZ?" The Tick [[